qq_30738155的博客

void readFile() { ifstream myfile("sample.txt"); string temp; if (!myfile.is_open()) { cout << "未成功打开文件" << endl; } while(getline(myfile,temp)) { cout<< temp; } myfile.close();

栈的应用：逆波澜式计算器 // Section 2.3 //03.2 计算器 #include<iostream> #include"Stack_double.cpp" using namespace std; char get_command() { char command; bool waiting = true; cout << "Select command and press <Enter>:"; while (waiting)

加入头文件 #include<stdlib.h> string astring; int INT; INT =atoi(astring.c_str());